Home / 127,699.62-176,219.64-73,212.66

Finding the Fourth Proportional to 127,699.62, 176,219.64 and 73,212.66

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Solution

The fourth proportional to 127,699.62, 176,219.64 and 73,212.66 is: 101,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.62 : 176,219.64 = 73,212.66 : x
  2. Step 2: Convert to fraction form
    127,699.62/176,219.64 = 73,212.66/x
  3. Step 3: Cross multiply
    127,699.62x = 176,219.64 × 73,212.66
  4. Step 4: Simplify right side
    127,699.62x = 12,901,508,588.64
  5. Step 5: Solve for x
    x = 12,901,508,588.64/127,699.62
  6. Step 6: Final answer
    x = 101,030.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.